/*
 * Copyright (c) 2010, Michael Hengler (developer (at) hengler (dot) de),
 * Nikolaus Moll (developer (at) miblounge (dot) net).
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * * Neither the name of the Jombi project nor the
 * names of its contributors may be used to endorse or promote products
 * derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL JOMBI BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */
package net.miblounge.jombi.impl.widgets;

import net.miblounge.jombi.impl.image.QtImageRegistry;

import org.jowidgets.common.widgets.IButtonCommon;
import org.jowidgets.common.widgets.factory.IGenericWidgetFactory;
import org.jowidgets.spi.widgets.IFrameSpi;
import org.jowidgets.spi.widgets.IMenuBarSpi;
import org.jowidgets.spi.widgets.setup.IDialogSetupSpi;
import org.jowidgets.util.TypeCast;

import com.trolltech.qt.core.QEvent;
import com.trolltech.qt.core.QEvent.Type;
import com.trolltech.qt.core.QObject;
import com.trolltech.qt.gui.QDialog;
import com.trolltech.qt.gui.QMenuBar;
import com.trolltech.qt.gui.QPushButton;
import com.trolltech.qt.gui.QWidget;

public class DialogImpl extends QtWindow implements IFrameSpi {

	private final boolean isResizable;
	private boolean programaticDispose;
	private QPushButton defaultButton = null;

	public DialogImpl(
		final IGenericWidgetFactory factory,
		final QtImageRegistry imageRegistry,
		final Object parentUiReference,
		final IDialogSetupSpi setup) {
		super(factory, new QDialog(parentUiReference == null ? null : (QWidget) parentUiReference));

		this.programaticDispose = false;

		getUiReference().setWindowTitle(setup.getTitle());
		getUiReference().setModal(setup.isModal());

		isResizable = setup.isResizable();

		if (!setup.isCloseable()) {
			getUiReference().installEventFilter(new QObject() {
				@Override
				public boolean eventFilter(final QObject sender, final QEvent event) {
					if (event.type() != Type.Close) {
						return super.eventFilter(sender, event);
					}

					if (programaticDispose) {
						return super.eventFilter(sender, event);
					}

					event.ignore();
					return true;
				}
			});
		}

		setIcon(setup.getIcon(), imageRegistry);
	}

	@Override
	public QDialog getUiReference() {
		return (QDialog) super.getUiReference();
	}

	@Override
	public void setVisible(final boolean visible) {
		if (getUiReference().isModal()) {
			if (visible) {
				if (!isResizable) {
					getUiReference().setFixedSize(getUiReference().sizeHint());
				}
				getUiReference().exec();
			} else {
				programaticDispose = true;
				getUiReference().close();
				programaticDispose = false;
			}
		} else {
			programaticDispose = true;
			getUiReference().setVisible(visible);
			programaticDispose = false;
		}
	}

	@Override
	public IMenuBarSpi createMenuBar() {
		final QMenuBar menuBar = new QMenuBar(getUiReference());
		return new MenuBarImpl(menuBar);
	}

	@Override
	public void setDefaultButton(final IButtonCommon button) {
		if (defaultButton != null) {
			defaultButton.setDefault(false);
			defaultButton = null;
		}

		if (button != null) {
			defaultButton = TypeCast.toType(button.getUiReference(), QPushButton.class);
			defaultButton.setDefault(true);
		}
	}

}
